What if you try to get more information about the command:
You can't effectively use a command without knowing a little about it.
If no documentation, maybe there is some environmental variable set for your interactive session that is not set for CRON. You might need to figure out which variable that is and set it in the crontab.
Hi,
I worte a script which runs perfect when i execute it manually. But when i scheduled into cron the grep command alone is not working.
the sample script,
/usr/bin/grep FTP $subfile > /tmp/tfsrec.dat
tfs=`echo $?`
if
then
echo "FTP FOUND"
else
echo "FTP NOT FOUND"
Where... (5 Replies)
Hello,
I have written a script that has a sudo command to change file permissions within it.
When I run the script manually, the sudo command inside of it works fine.
When the script is run through crontab I get the error "cron: not found".
It the same user profile that I am using... (6 Replies)
Hi All,
i have a cron entry like
0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57 * * * * /amex/sssmonitor/dss_chk.ksh
and the script is like
#!/bin/ksh
file=`uname -n`
> /sunmast/projects/oasis/COREDEV/Dss$file.log
> /tmp/output_sss
today=`date`
varb=`ps -ef | grep... (5 Replies)
Hello,
I am facing a very strange problem when I run my script manuallu ./Fetchcode which is using to connect with MKS integrity from linux end it workks fine but when I run it from cron it doesn't work.Can someone help me
1) How could I check my script when it is running from cron like... (3 Replies)
Help. My script is working fine when executed manually but the cron seems not to catch up the command when registered.
The script is as follow:
#!/bin/sh
for file in file_1.txt file_2.txt file_3.txt
do
awk '{ print "0" }' $file > tmp.tmp
mv tmp.tmp $file
done
And the cron... (2 Replies)
Hi
1st problem
--------------
i have this sed command in my unix script which replaces new line and carriage return in a line with the string "
"
the script works fine in Linux 3.0.101-0.5, but not in AIX 1 7 , the "s/\r/\
/g" replacement, replaces
all the character "r" in the file.... (3 Replies)
Hi- I need to set a mail trap for checking the cron job filures in a server.
I have many cron jobs running in our server. What unix command will identify the failed cron jobs?
Your thoughts please!!!!! (6 Replies)
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
Write a script that allows the user to print the first n lines or the last n lines of every file in the... (18 Replies)
Discussion started by: lukefrost96
18 Replies
LEARN ABOUT BSD
cron
CRON(8) System Manager's Manual CRON(8)NAME
cron - clock daemon
SYNOPSIS
/usr/sbin/cron
DESCRIPTION
Cron executes commands at specified dates and times according to the instructions in the files /etc/crontab and /etc/crontab.local. None,
either one, or both of these files may be present. Since cron never exits, it should only be executed once. This is best done by running
cron from the initialization process through the file /etc/rc; see init(8).
The crontab files consist of lines of seven fields each. The fields are separated by spaces or tabs. The first five are integer patterns
to specify:
o minute (0-59)
o hour (0-23)
o day of the month (1-31)
o month of the year (1-12)
o day of the week (1-7 with 1 = Monday)
Each of these patterns may contain:
o a number in the range above
o two numbers separated by a minus meaning a range inclusive
o a list of numbers separated by commas meaning any of the numbers
o an asterisk meaning all legal values
The sixth field is a user name: the command will be run with that user's uid and permissions. The seventh field consists of all the text
on a line following the sixth field, including spaces and tabs; this text is treated as a command which is executed by the Shell at the
specified times. A percent character (``%'') in this field is translated to a new-line character.
Both crontab files are checked by cron every minute, on the minute.
FILES
/etc/crontab
/etc/crontab.local
7th Edition October 23, 1996 CRON(8)